refactor task_controller
improve style tasks.js
improve task_helper tests, add task_helper test
Merge branch 'dev' into Axolotl
Move Tasks form javascript into separate file
cretae empty dashboard
fix assign_person
Merge branch 'Axolotl' of https://github.com/hpi-swt2/event-und-raumplanung into Axolotl
fix showing user's identity_url instead of email in edit/show/index, delete get_email and associated test
add seeds for tasks, fix show task second attempt
Merge remote-tracking branch 'origin/Axolotl' into A/feature/#53
Add RSpec tests for task notifications
rename tasks factory
test for dashboard partial my tasks (view and feature)
delete tasks index backup
delete index_backup for tasks page
Add missing email notification when assignment is removed
Merge pull request #126 from hpi-swt2/dev

merge dev into Dolphins
add overview for upcoming events in dashboard
style panel including upcoming events
fix shown events
show text if there are no upcoming events